Leveling-machine.



A. E. JERRAM.

LEVELING- MACHINE.

APPLIGATION FILED JUNE 1,1911

Patented Nov. 3, 1914 4 SHEETS-SHEET 1.

Inve/zaf A. E. JERRAM.

LEVI-)LING MACHINE.

APPLIOATION FILED JUNE 1,1911.

Patented Nov. 3, 1914.

4 SHEETS-SHEET 2.

lmwizw" man, M

.W @ffm THE: NoRRls PETERS Co..PHOTO*-LITI1 1.. WASHINGTUN. D. c.

A. E. JBRRAM. LEVELING MACHINE.

APPLICATION FILED JUNE 1,1911.

1,1 16,071 Patented Nov. 3, 1914.

4 SHEETS-SHEET 3.

THE MORRIS PEYERS C0..Pun1r*urn; .WAM-Immun. D. C.

A. E. J ERRAM. LEVELING MACHINE.

AIPLIQATIOH FILED JUNE 1,1911.

Patented Nov. 3, 1914.

4 SHEETS-SHEET 4.

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unirsi) srA'ri'is PATENT carica ARTHUR ERNEST JERRAM, OF LEICESTER, ENGLAND,` ASSIGNOR T UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEW JERSEY,v A` CORPORJMIIOJT` OF NEW JERSEY.

LEVELINGMMACHINE.

Specification of Letters Patent.

Patented Nov. 3, 1914.

Application filed une 1, 1911. Serial N o. $30,624:.V

T0 alt fic/om t may concern Be it known that` I, ARTHUR ERNEST JER- RAM, a subject of the King of England, re-

siding at Leicester, in the county of Leicester, England, have invented certain new and useful improvements in Leveling-Machines; and l do hereby declare the following to be a full, clear, and eXact description of the invention, sucli as will enable others skilled inthe art to which itappertains to makey and use the saine,

The presentinventionfrelates to machines for leveling the soles of boots and slices, and moreparticularly to that typer of machine which is arranged to level the soles after they have been incorporatedy inthe boots and slices. Sole leveling `machines of this general class as heretofore constructed have been designed upon lines conforming `to three separatel types. yThe first of these types is a machine having a vibrating -level-' ing roll which is caused to traverse over the sole and is canted first to one side and then to the other in order to give the sole the proper curvature,in'cross'section and bed it down upon the last which is carried upon a suitable shoe supportingjack.y Thesecond type of sole leveling machine employed is one wherein the lastor jack' and a coperating form shapedl to correspond to the desired curvature of the shoe bottoni in cross section have a relative rocking or oscillating movement imparted thereto in order to progressively advance the line of application of the pressure in the direction of the length of the sole and secure what is termed a rolling pressure upon the shoe bottom. lThis is acj ack and a direct pressure is then applied to the forni in order to level the sole. Each of these types of machines has certain limitations in its application and disadvantages in its-use. Machines constructed according to the first type are relatively slow in their operation -and do notimpartto the shoe bottoman `eXact predetermined shape and the pressure of the roll operating along one inargin of the sole has a tendency to raise the opposite margin of the sole. In the second type ofniacliine, the disadvantages referred toin connection with the first type will be absent, but owing tothe fact that diiferent thicknesses of soles'must be operated upon,

the linear velocities of the surfaces of the" yforni and jack'lwill vary and a sliding or creeping action will necessarily take place between the surface of the form and the sole.

r-This action in somecases is so pronounced vthat the lighter or finer grades of shoes can 'not' be leveled upon this class of machines, as with they lighter makes ofy shoes, the creep-` ing results in such distortion and damage as to spoil the finished article in the process of finanufacture Even when operating upon soles of a uniform thickness, the contour of `the shoe bottom in longitudinal section is sucli that the point of contact between the surface of the sole and form ap )roaches and recedes to and from the fulcrum of the form so that there isa variationin the relative velocities of the contacting parts of the foriny and sole not only at different parts of the sole of the same shoe, but altering witheach diiferentshape and size of sole. A further objection to this typeof machine` resides in the fact that the angular turning movements of the form and jack are so great thaty this type cannot" be employed for leveling the` heel seat and furthermore the projecting vmargin of the shoe sole at thetoe is turned ydown in an objectionable manner, more par` ticularly on the smaller size shoes.` The .third type of levelingmachine performs satisfactorily the leveling operation as regards the objections set forth above, inasmuch as it is rapid and the shape of thesole is predetermined by the shape of the gform. `As a direct. pressure is employed, however, which lis distributed over tlieentire surface of the sole, an extremely heavy pressure is required to secure the requisite molding and consoli- @dation of the shoe bottom even on rlighter grades ofwork, and as there are necessarily gsonie slight inequalities `in the stock and in fthe shape and form of the lasts, it is found that lasts cannot be made sulliciently strong to Withstand the required pressures. i

The object of the present invention is to provide a leveling machine which combines the several advantages of the differenttypes of sole leveling machines hereinbefore described without including their attendant limitations.

`With this end in view, one feature of the invention contemplates the provision in a machine of the rolling pressure type having a cooperating jack and forni, of means for imparting a progressive rolling pressure Ato the work and for maintaining the contacting surfaces of the pressing form and work against a relative movement in the direction of the rolling pressure.

A further feature of the invention contemplates the provision with a cooperating jack and form of means to impart a relative rocking or tipping movement of slight angu laritylto the last and form to bring in sequence different portions of the form in contact with the corresponding portions ofthe shoe bottom. This movement is sufficient to apply the pressure progressively `at different points along the length of the shoe bottom but is not suflicient to cause a rounding down of the toe or heel seat.

A still further feature of the invention comprises the combination in a machine of the type described of a shoe supporting ineinber and a cooperating sole pressing member relatively movable toward and from each other, and means for oscillating or rocking one of the members about a iXed aXis in order to level the shoe bottom. In the simplest and most eflicient form of the invention which has yet been devised, one member is rocked relatively to the second member about an axis lying substantially in the surface of the first mentioned member.

A still further feature of the invention contemplates such an arrangement of the form and jack that a considerably less pressure is exerted at the toe end of the shoe than at the ball or heel seat.

Still further features of the invention com prise certain novell features of construction, combinations and arrangements of parts hereinafter described and claimed, the advantages of which will be apparent to those skilled in the art from the following description.

In the accompanying drawings illustrating the preferred form of the invention; Fig. l is a side elevation partly in section illustrating a leveling machine embodying the several features of the invention in their preferred form; Fig. 2 is a detail illustrating the mechanism for moving the jack from a receiving position into a position of preseir tation and showing the carrier for the jack in a receiving position with its slider retracted; Fig. 3 is a view similar to Fig. 2 and illustrating the carrier in a position of presentation with its slider retracted; Fig. 4 is a view similar to Fig. 2

i illustrating the carrier in a position of pres-l entation and with its slider moved outvwardly; Fig. 5 is a detail illustrating the mechanism for alternately locking the jacks in iiXed position and showing one ofthe jacks locked in a receiving position; Fig. 6 is a view similar to Fig. 5 and illustrating the opposite jack locked in a receiving position;

and Fig. 'T is a detail illustrating a modified construction for alternately locking the jacks in a receiving position.

rEhe machine shown in the illustrated embodiment of the invention is what is known as a twin machine; that is, duplicate sets of jacks and forms are employed and the proper movements are automatically iinpai'ted to the j aclrs to move them alternately from a receiving position intol a position of presentation and vice versa. As the mechanism for imparting these movements, and as the construction of the jacks and cooperating forms are identical, only so much of the mechanism as is essential for a complete understanding of the construction and operationof the machine will be described in the following specification.

The machine consists generally of a frame l supporting upstanding carriers 2 upon the ends ofvwhich are mounted jacks 3 which are adapted to be moved alternately from a position in which the work is placed upon .them and which is termed a receivino oa :s P

sition, into a position in alinement with the cooperating forms, and which is termed a positionof presentation. The two coperating forms, one of which is indicated at 6, are carried side by side upon a supporting lever 7, and the forms have provision for a longitudinal adjustment upon the lever 7 in order to position them accurately in the proper cooperative relation with various sized jacks. This adjustment is conveniently eected by providing each of the `forms 6 with an adjustable abutment, such,

for example, as the screw 1l which engages a recess formed in the lever 7 and which positions the form longitudinally and aids in retaining it in the proper position. In order to lock the opposite end of the form in position, a movable clip Shaving an undercut portion is arranged to enter a slot 9 cut in the opposite extremity of the form and serves to position the form laterally and longitudinally and hold it securely upon the lever. The movable clip 8 is carried by a screw l2 which is threaded in the lever 7 and an actuating wheel l0 serves to impart the proper rotation to the screw 12 in order to move the clip into operative position. rlhe clipis held in place upon the screw 12 by a pair of collars which are fastened to the screw and engage the opposite ends of the clip. In order to secure a yielding pressure upon the shoe bottom and to accominodate different thicknesses of soles, the lever 7 is arranged toyield outwardly when a pressure in excess of a predetermined amoilnt is applied. To this end, the lever 7 is pivoted to the frame ofthe machine at 13 and a spring 14 is interposed between the tail 15 of the lever and a fixed abutment 1G formed upon the machine frame. As will be obvious to those skilled in they art, the spring 14 is arranged to hold the forms yieldingly against the thrust of the work. It will be notedk upon aninspection of` Fig. 1 that the end 17 of the form 6 is arranged to engage with the heel fsea't and that this end is nearer to the pivotal point 13 than the part 18 which engages the toe-of the shoe. l/Vith this relative arrangement of the form and supporting lever, considerably less pressure will be exerted upon the shoe at the toe portion where it is least required and where the last is least able to withstand it, than will be exerted uponthe' shoe at the heel seat and shank. To enable the strength of the spring to be varied as required according to the character of the work operated upon, the tail 15 of the lever'is provided with a screw 2O passing therethrough, which screw bears against alcap 21 provided at one end of the spring.' In order'to limit the inward movement of the lever 7, an adjust- Vable stop 22 is threadedly mounted in the framel and is arranged to engage vwith the lower extremity of the tail 15.

As stated previously, it is desirable to inn part relative rocking or tippingmovements to the jack and the form, which are suficient to shift the point of application of the pressure progressively along ther length of the sole. 'lt is alsov desirable to secure the initial engagement of the ack and form by;

a direct relative approach of4 the two and between the leveling operations to hold `the jack in a re eivingposition conveniently accessible to the operator in order that the H nished shoe may be removed therefrom and a new shoe put in its place. To this end, the carrier 2 is first rocked about a fixed axis to swing the jack from the receiving position into alinement with its cooperating form. At the conclusion ofthe rocking movement, the ack is slid longitudinally of the carrier to secure a movement of direct relative ap` proach between the jack and form. rlhe jack or last 3 is detachably secured in a cylindrical slider 24 in order that different sized lasts may be employed in the machine. The slider is arranged to move lon` gitudinally in a sleeve 25 forming part of the carrier 2, which is pivoted at 26 upon' a lever 27. The lever -27 is fulcrumed centrally upon the frame at 28 and a stop screw 29 serves to limit the movement of the lever in one direction. In order to impartthe proper longitudinal movement to the slider 24, a toggle lever comprising the links 303 and 31 is connected at 3.2 to the lower end of lever 39 which is povotally connected to the frame at 28. f The central pointof the lever y39 is coupled toa connecting rod 40 which is provided at its opposite end with an eccentric strap 41 surrounding an eccentric 42 mounted upon a shaft 43. An intermittent rotation is imparted to the shaft 43 from a sleeve 44 byy aworm 45 and worm wheel 46.

In order -toy determine the extent of move- The opposite .end 37 of the bell crank is connectedthrough a link 38 to the nient of the bell crank 33 and consequently' the movement of the slider 24, the carrier 2 is formed with a recess or cutaway portion `50 so arrangedthat the surface thereof constitutes an abutment with which the outer end of the bell'crank lever will engage after it has been rocked upon its center 34 to break the toggle lever with which it is connected.k The recess 50 in the carrier 2 thus forms a lost motion connection betweenv the connecting' rod 40 and the carrier 2, which in the preliminary movement of the bell crank lever through thev operation of the eccentric 42, draws the slider inwardly in the sleeve 25. The continued movement of the bell crank causes the end 37 to engage with the inner surface'of the recess 5() and swing the carrier 2 about they pivot 26 in order to yremove the last from a position of presenta-` jtionfintoja receiving position. By referring toFig's. 2, 3 and 4 of the drawings, the oper# ation of thismechanism can be traced. very clearly. In Fig. 2, the carrier is shown inv its receiving position with the yslider retracted and holding the jack in a position to receive a shoe'. In l `ig..3, the carrier has rbeen rocked to `bring' the j ack into a position of presentation in alinement with its cooperating form and in Fig. 4, the slider is showirin its outwardv position, with the toggle straightened in order to move the jack into a pressing position. lt will be noted from an inspection of F 1 that the jack is held in a substantially7 vertical direction when in a position for receiving the work and' that in the position of presentation, the jack isheld in an oblique direction.`

The jack may be arranged so that the initial rocking movement of the carrier is secured either by gravity or by other suitable means,

thus maintaining the face of the recess o() in contact with the end 37 of the bell crank during the movement of the carrier from the position shown in Fig. 2 to that shown 4 lin F ig. 3. ln order to limit this movement of the carrier and position the jack accurately in alinement with its cooperating form, a stop device is provided. This stop device preferably comprises a cliplink 52 which is pivoted to the carrier 2 at 53 and is arranged to engage a projecting stud 54 mounted upon the machine frame. The link is provided with a jaw 55 having an arcual surface 56 which forms the engaging face of the stop device for arresting the downward movement of the carrier, and this face engages a corresponding face 57 formed upon the stud 54. The clip link 52 is prevented from yfreely pivoting about the point 53 by a link 5S connecting the lower end of the link 52 with the central point of the lever 39.

in addition to the movement of direct relative approach between the jack and form, a progressive rolling` movement of slight angularity is imparted to the ack in order to perform the leveling operation proper upon the sole. This progressive rolling movement is obtained by rocking the jack about a fixed aXis lying substantially :in the surface of the jack. In the present embodiment of the invention this axis is located in close proximity to the ball line so that the shoe is virtually swung about an axis lying in the surface of the sole and midway between its ends. lli/Vith this construction and mode of operation, the contacting surfaces of the work and the pressing form are maintained against arelative longitudinal movement during the pressing operation. in the present construction7 the rocking movementof the `iack is obtained by supporting the jack at two points which are shifted in paths angularly arranged with relation to one another and which lie substantially in the arc ofa circle of which the fixed axis of the jack forms the center. In the illustrated emy bodiinent of the invention this is accomplished by swinging the jack bodily upon two radius links pivoted to the machine frame. These links are virtually constituted by the lever 27 and the clip link 52 which form a rigid connection between the stud 54 and pivotal points 53 when the carrier is supporting the ack in a position of presentation. .it will be noted from an inspection of Fig. 4f that when in this position, the pivotal point 53 alines with the pivotal connection between the bell crank 33 and link 38 so that the rocking of the carrier about this point will not cause any alteration of the bell crank 53 and slide actuating mechanism relatively to the carrier 2. The extent of the rocking movement of the ack with this arrangement will be apparent from an inspection of l and it can readily be seen vthat this movement is extremely slight and is only sutlicient to move the surface of the sole and form out of engagement where the pressure is not applied. This produces drawing.

what is substantially a direct pressure over limited areas of the sole, these areas being progressively advanced from heel to toe and vice versa. Thus ythe advantages of the direct leveling pressure are secured without its disadvantages, and as the leveling pressure is applied only over limited areas of the sole, the resultant pressure is suflicient to level the sole properly without being great Aenough to break down and injure the last.

ii order to impart this compound rocking motion to the carriers, each of the levers 27 (it being understood that each of the carriers is provided with a lever 27 and actuating mechanism therefor) is connected by a driving rod 60 with a floating link 61 which is operated by an eccentric 62 mounted upon a shaft G8. il continuous rotation is imparted to the shaft 63 from the main drive shaft by a worm Gli and worm wheel 65. ln order to enable the acks 3 to have a rolling or tipping motion imparted thereto when the jacks are alternately moved into a position of presentation, a mechanism common to both of the jacks is employed.

It 'will be noted that the rods 60 connect 'the lower ends of the levers 27 with opposite ends of the floating link 61 and a stop mechanism is provided for alternately locking the lower ends of the levers 27 while the jacks are held iii a receiving position. TWhen the lower end of one of the levers is locked, the corresponding end of the link 6l Vis likewise locked in position through the rigid connection'formed by the driving rod 60. This insures that the full throw of the eccentric will be exerted upon the lever 27 which isfree, and the lower end of this lever will be oscillated accordingly in order to impart the proper movements to the jack.

The stop mechanism conveniently com` arises a rocker )ivotallv mounted uion l l l the frame at 7l and provided with a. pair ofk laterally projecting locking arms 72. Although in the illustrated embodiment of the invention a pair of arms 72 are employed, it is to be understood that if so desired, a single arm may be employed which is ar-v ranged to engage alternately with the lower ends of the two levers 27. The two arms 72 llie in the same lateral plane so that only one arm is shown in Figs. 5 and 6 of the The lower ends of the levers 27 are provided with shouldered portions 69 arranged to engage the outer ends of the @o arms 72 and lock the levers in position. The rocker 70 is oscillated from one position to another by an anchor rod 73 which is provided with head 74; having two undercut portions 75 and 76. The anchor rod 73 is pivotally connected at 77 to a treadle 78 employed for starting the machine, and the anchor rod is arranged to swing about this Ipivotal connection so that one or the other of the undercut portions 75 or 76 will'enl gage with one or the other of two abutments 79 and 80 respectively formed on the rocker 70. In order to hold the arms 72 in either of the extreme positions into which they may be moved, a ball-ended spring pressed strut 82 is interposed between the machine frame and the rocker 70. After the treadle has been depressed to turn the rocker and lock one of the levers 27 in position, it isf desirable that means be provided for automatically shifting the position of the anchor rod 73 into engagement with the opposite abutment. For example, assuming that thel undercut portion 75 engages with the abut# ment 79 and thetreadle is then depressed, the outer end of the arm 72 will be moved upwardly and engage with the lower end o-l one of the levers 27. Upon a release of the7 treadle it is desirable that the anchor rod bev automatically shifted in position so that the undercut portion 76 will engagey with the abutment 80 upon `the neXtsucceeding` movement of the treadle. To this end, a'

. spring 83 connects the rocker 70 with a projection 84 formed upon the anchor rod 73 and this spring is so arranged that when the rocker is moved by the anchor rod into either of its eXtreme positions, the spring is bowed and tends to impel the anchor rod to engage with the opposite abut. ment, through which the position of the? rocker is reversed. To enable a further inotion of the treadle and insure ythat the rocker will be moved to its extreme position, notwithstanding variations in the cycle oi' the machine, the` pivotal connection 77 is in the form of a slotformed in the end of the anchor rod 73 and a pin 85 is fixed upon.' the treadle 78 and connected to the rod 73l by a spring 86, the spring normally holding@ the pin at one extremity of the slot. In the operation of this stop mechanism, when the treadle 78 is depressed, one of the undercut portions or 76 of the anchor rod 73 engages the corresponding abutment 79 or:y 80 formedk on the rocker v70k and turns the latter into a positionl in which one oi' thel arms 72 engages and holds the shouldered portion 69 formed upon the corresponding' lever 27 and thereby causes the second lever to be oscillated through the eccentric 62. As the rocker 70 turns, the flexible rod or spring 83 will shift the anchor rod into aposition to cause the opposite undercut surface to engage with its corresponding abutment upon thenext depressionof the treadle and thus bring the second lever into operation.

In the modification shown in Fig. 7 of the drawings, the stop mechanism is power actuated instead of being actuated directly from the treadle. To this end, a bell crank lever is pivoted to the frame of the machine at 91. One rarm of Vthe lever is bifurcated forming arms 92 which are arranged to engage in the usual 'manner with the the lever 39 at 95the ysprings 96 and 97 ybelng mounted on the link upon opposite sides of the connection in order to maintain a yielding operative connection with the lever 39. ItV willk be noted with this construction that when the lever 39 movesl in one direction; for example, when moving its carrier and last from a yposition of presentation to a receiving position, the bell crank 90 will be moved about its pivotal connection 91 and one of ythe arms 92 will en-t gage with the end of one of the corresponding levers `27 in a similar manner and for the same purpose as described with reference to the rocker 70 and arms 72. When the lever 39 is moved in the opposite direction; that is, when moving its carrier from a receiving position to afposition of presentation, the opposite action willtake place, andL one of the arms 92 will engage with the v lower end of the second lever 27 it will now be apparent that the link 58,

in addition to guiding the clip'link 52 during the movement` of the cliplink into a locking position, serves as an operating connection for automatically disengaging the clip link upon thek return movement of the jack from a pressing position into a receiving position. The initial movement of the lever 39 to break the toggle lever will thrust the clip -flink o2 in sucha direction as to ytree its 'jaw from the stud 54. The continued `movement ofthe lever 39 vthen causes the end 37 ofthebell crank lever 33 to engage with the surface of the recessed portion 50 ashereinbefore set forth and move` thevjack bodily into a receiving position..`

` In order to place ythe starting and stopping -of the machine under the control of the operator, the treadle 78 is fulcrumed upon the frame at 98 andis pivotally cony nected at its rear end to a rocker frame 99 through an arm 100. The frame 99 isfulcrunied upon the machine frame at 101 and `is provided with two' other yarms 102 and 103. Thefarm 102 actuates a clutch tripping gear of a suitable form which is arranged to move a cone clutch member 104 into engagement with a cooperating clutch face 105 formed uponthe inner surface oi they drivingpulley 106. Thecone clutch member 104 is splined to the sleeve 44 to which the worm l gear 45v is locked. Thus upon the engagement of the clutch members 104 and 105, the eccentric 42 is operated to `move its corresponding jack either into or out of a pressing position. frame 99 is provided with a cam roll 108 which operatively engages with a peripheral cam 109 fastened to one tace of the worm wheel 45. The cam 109 is provided with recesses 110 disposed diametrically opposite so that after the shaft 13 has made a half revolution, the cam roll 108 will be movedy into one of the recesses 110 and thus move the arm 102 to disengage the clutch members 104: and 105. A suitably arranged spring (not shown) may be employed for normally moving the rocker frame 99 to disengage the clutch members. In addition to intermittently operating the eccentric 112, the drive pulley 106 continuously operates the shaft 63 and eccentric 62 mounted thereon. To this end, a spider 111 is keyed to the main drive shaft 112 and the spider is locked against rotation relatively tothe drive pulley 106 by a plurality of slide pins 113 engaging with a series of holes formed in the arms of the drive pulley 106.

The operation of the machine will no doubt be understood from the foregoing description, but for the sake of a clear understanding of the invention it may be briefly re-stated as follows It will be assumed that the machine is in a position with one of the jacks in a receiving position and the opposite jack in a position of pressure.l After the finished work has been removed.l

jacks simultaneously reach pressing and' receiving positions and the clutch members Thef are then disengaged automatically. operation of the treadle through the anchor rod 7 3 also causes the rocker 70 to be turnedon its center so that it releases one of they levers 27 and engages and holds the second lever 27. The continuously operating eccentric 62 then serves to impart an oscillatory motion to the lever which has been released in order to rock the jack which is held in a pressing position.

While it is preferred to employ the speciiic construction and arrangement of parts shown and described, it will be understood that this construction and arrangement is not essential except so far as specified in the claims and may be changed or modified without departing from the broader features of the invention.

llhe invention having been described, what is claimed is 1. A sole leveling machine having, in com-l bination, a shoe supporting jack, a pressing form cooperating therewith, and means for relatively rocking the jack and form to im- 65 part a progressive rolling pressure to the The second arm 103 of the sole and for maintaining the contacting surfaces of the pressing form and work against a relative movement in the direction of the rolling pressure during the leveling operation, substantially as described.

2. A Sole leveling machine having, in combination, a shoe supporting member and a cooperating sole pressing member relatively movable toward and from each other, and means for rocking one of the members about in axis lying substantially in the surface of the member to impart a progressive rolling pressure to the shoe sole, substantially as described. l

3. A sole leveling machine having, in conibination, a shoe supporting member and a coperating sole pressing member relatively movable toward and from each other, a pair of radius links supporting one of the members, and means for oscillating the links to rock the member and level the sole, substantially as described. i

t. A sole leveling machine having, in combination, a shoe supporting member and a coperatiiig sole pressing member movable toward and from each other, a carrier pivotally supported at two points, and means for shifting the supporting points` of ythe carrier in paths angularly arranged with relation to one another to secure a relative rocking motion of the two members, substantially as described.

5. A sole leveling machine having, in combination, a pressing form, a shoe supporting jack, means acting automatically torrst moving the jack from a receiving position into a position of presentation in alineinent with the pressing form for next impart-ing a movement of direct relative approach to the jack, and means for rocking the jack relatively to the form when in a position ot pressure, substantially as described.

6. A'sole leveling machine, having, in combination, a pressing form, a shoe supporting jack coperating therewith, a carrier support-ing the jack, and means acting automatically for rocking the carrier to bring the Jack into a position of presentation, for

imparting a longitudinal movement to the jack relative to the carrier 'to bring the jack and form into a position of pressure, and for oscillating the ack relative to the form when in a position of pressure to level the shoe sole. f

7. A sole leveling machine having, in coinbination, a pressing form, a carrier, a shoe supporting jack slidingly supported in the carrier, a toggle connected to the jack, a

stud, and means for oscillating the carrier from a receiving position into engagement with the stud and for thereafter actuating the toggle to move the jack relatively to the carrier, substantially as described.

8. A sole leveling machine having, in combination, a sole pressing member, a shoe supporting jack cooperating therewith, intermittently operated means for moving the jack from a receiving position into a position of presentation, continuously operated means for rocking the jack, and means under the control of the operator arranged to start the intermittently operated means and to simultaneously connect the continuously operated means with the jack, substantially as described.

9. A sole leveling machine having, in combination, sole pressing forms, shoe supporting jacks coperating therewith, means acting automatically to move the jacks alternately into and out of a pressing position, and means for yimparting a rocking movement to each of the jacks when the jack is moved into a pressing position, substantially as described.

10. A sole leveling machine comprising a pair of shoe supporting jacks, continuously operated means for rocking the jacks, and a single control means constructed and arranged upon each actuation by the operator to automatically connect alternate jacks to the continuously operated means, substantially as described.

11. A sole leveling machine comprising a pair of shoe supporting jacks, a supporting lever for each jack, means under the control of the operator for alternately locking one of the levers and continuously operated means for oscillating the second lever upon the locking of the first lever, substantially as described.

12. A sole leveling machine comprising a pair of shoesupporting jacks, a supporting lever for each jack, means under the control of the operator for alternately locking one of the levers, a ioating link, means for continuously oscillating the link and connections between the opposite ends ot the link and the lower ends of the supporting levers, substantially as described.

13. A sole leveling machine having, in combination, a shoe supporting member and a cooperating sole pressing member relatively movable toward and from each other, means for yieldingly supporting one member, and means to 1 rocking one of the members about an axis lying substantially in the surface of the member to impart a progressive rolling pressure tothe shoe sole, substantially as described.

1e. A sole leveling machine having, in combination, a pressing form, a shoe supporting jaclr cooperating therewith, a carrier for the jack, a toggle lever connected to the jaclr, an abutment on the carrier, and

means for iirst breaking the toggle to move the jack relatively to the carrier and for thereafter engaging the abutment to oscillate the carrier and move the jack into a receiving position,substantially as described.

15. A sole leveling machine comprising a pair of shoe supporting jacks, a supporting lever for each jack, a pair offlocking arms, and means under the control of the operator for oscillating the arms to alternately engage the endsotl the support-ing levers and loclr thelevers in a fixed position, substantially as described.

16. A sole leveling machine comprising a pair of shoesupporting acks, a supporting lever for each ack, a rocker, arms extending from the rocher, and arranged to engage the supporting levers, a treadle, and connections between the treadle and rocker for turning the rocker in opposite directions upon each succeeding depression of the treadle, sub-` stantially as described.

17. A sole leveling machine comprising a pair ot shoe supporting jacks, a supporting le'veifor each jack, a rocker, operative connections between the rocker and supporting levers, a treadle, and an anchor rod for operatively connecting the treadle with the rocker and for turning the rocker in opposite directions upon each succeeding depression of the treadle, substantially as described.

1S. A sole leveling machine comprising a pair 01"' slice supporting jacks, a rocker, operative connections between the rocker andl jacks, abutments formed on opposite ends of the rocker, an anchor rod, and means :tor shitting the position'of the anchorrod to engage alternate abutments upon each succeeding operative movement of the rod, substantiallyas described.

19.l A sole leveling machine having, gin combination, a shoe supporting member, and a cooperating sole pressing member relatively movable toward and from each other and arranged to secure a considerably less pressure at the toe end of the shoe than at the ball and heel seat, and means for rocking the members to level the sole of a shoe on the jack, substantially as described. A

20. A sole leveling machine having, in combination, a sole pressing form, a pivoted lever supporting the Jform, with the heel end ot the form nearer to the fulcrum than the toe end, a shoe supporting j ack, and means for imparting a rocking motion to the jack to level the shoe, substantially as described. .y ARTHUR ERNEST JERRAM.

l/Vitnesses FREDERICK VViLLmM lVoRrH, ELnANoP. RUssnLL.

Copies of this patent may be obtained for live cents each, by addressing the. Commissioner oi Patents.

Washington, D. C. f

voy

Corrections in Letters Patent No.1,1 16,071.

It is hereb)7 certified that in Letters Patent No. 1,116,071, granted November 3, 1914, upon the application of Arthur Ernest J erram, of Leicester, England, for an improvement in Leveling-\/Iaehi11es, errors appear in the printed specilieation requiring correction as follows: Page 3, line 7 7 for the Word povotally read pieoally; page 4, line 57, for the reference-numeral 53 read 33,' page 6, line 7 6, first occurrence, for the Word in read an; same page, line 105, strike out the word means; and that the said Letters Patent should be read With these corrections therein that the same may conform to the record of the ease in the Patent Office.

Signed and sealed this 24th day of November, A. D., 1914.

R. F. VVHITEHEAD,

AG1/mg Gommssz'oner of Patents.

[SEAL] 

